Hughes Performance Transmission Oil Coolers and Fans are key components to improve your transmission's performance and extend its operational life. Hughes Performance Transmission Oil Coolers are available with or without a 500cfm reversible fan assembly for maximum cooling efficiency. Combine the Hughes Performance Transmission Oil Cooler with a Hughes Performance Cast Aluminum Transmission Pans and your transmission will enjoy a greatly extended service life. If you equip your transmission with a Hughes Performance Stall Speed Torque Converter, Hughes Performance Transmission Oil Coolers are a must for maximum performance. Every Hughes Performance Transmission Oil Cooler is equipped with #6 fittings.